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Approximation theorems for localized szsz–Mirakjan operators

✍ Scribed by Linsen Xie; Tingfan Xie

Book ID
108159049
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
167 KB
Volume
152
Category
Article
ISSN
0021-9045

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✍ Thomas Bagby; Len Bos; Norman Levenberg 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 632 KB

Let L(D) be an elliptic linear partial differential operator with constant coefficients and only highest order terms. For compact sets K/R N whose complements are John domains we prove a quantitative Runge theorem: if a function f satisfies L(D) f=0 on a fixed neighborhood of K, we estimate the sup-